Disclosure: I'm Mohammed, founder of MemorySync. I drafted this with AI assistance from the public GitHub issue and the SDK source. Code status: on Oct 25, 2026 I installed openai-agents 0.24.0 and redis 8.1.0 (Python 3.13). I started a local 3-node Redis Cluster (Redis 8.0.2), confirmed that ClusterPipeline lacks the hooked attributes, reproduced the new TypeError from add_items and clear_session with a RedisCluster client, and ran the custom session below against that cluster, including two Runner.run turns with a stand-in model (no OpenAI key, so no real LLM call).…